Android :: Android Bottombar Two Buttons With Common Backgrounds Image?
Apr 25, 2010
I have a linear layout in my main.xml which has a listview. Now I want to create a bottom bar below listview. Bottombar has a background image and two buttons with their individual background images. I want to put these two buttons on common background image. I have read that this can be achieved using FrameLayout. But since I am using LinearLayout as base layout in my main.xml, is there any way to this design using linearlayout?
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Mar 9, 2010
I'm trying to make a GUI program with the Android SDK, using their Lunar Lander example as a significant self-teaching tool in the process. I've noticed their sprites' images' backgrounds, which were at least usually pure white, did not show up in their program. I want to ask how they did that, since their site doesn't explain simple things very well. I've managed to pull that off before on another GUI SDK, wherein all I had to do was to call a function and pass it a few floats to define a certain color, and until my code told it to do otherwise, that function would make sure that that particular color in my sprites' images was totally transparent. However I've wrestled with the Lunar Lander example and getting my own program to show some custom graphics for a week or two now, and I haven't noticed any such function call in the Lunar Lander example. I tried to look for it, but I did not find anything. I've tried to Google some tutorial or other reference material, but what I've found so far is just straying off into unrelated areas and totally dodging this EXTREMELY important lesson on the SDK's basics.
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Aug 19, 2009
seems pretty straightforward.
CODE:..............
But doesn't work!
It scrunches the layout background as the background to each button, I want it to span all three buttons...
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May 25, 2010
I did some searching and couldn't find an answer. I'm trying to get an image set as a background, but it will only allow me to select a small portion of the image. Is there any way that I can set the complete image as the background?
Also, Ive been lurking these forums for a while and thanks to you guys, I figured out how to root my phone and flash a custom ROM. LOVE this site.
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Jun 6, 2010
I have two questions about wallpapers on my nexus one. First off, is there anyway to take a custom image that I have and I am using and put it into the list of "default" backgrounds so that when I change it I don't have to go through that resize hassle and everything and I can have it in a more organized location. Also are there any applications or tools out there to get great looking wallpapers for the nexus one. Sometimes when using an image it doesn't look that good and the selection thing when doing it from the gallery is annoying because of the selection has to be a square yet my screen is 800x480.
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Aug 9, 2010
I am trying to make my layout look like so. I have tried gridviews, table layouts, and more but cant get it to look right. I want something like this.
CODE:........
I just cant seem to figure out how to get the layout to work with imagebuttons. What layout should I use? And could you post example code of the xml layout if possible?
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Jan 19, 2010
Can any one guide me how to add some menu related buttons at the bottom of each activity?
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Oct 6, 2010
I have a series of buttons on a main menu. Instead of the standard side by side, or one on top of the other, I'd like them to be aligned around a semi-circle. Since I can't drag and drop the buttons to the place I'd like to in the designer, I was wondering the best way to do this? Can I do it in the XML, or would it be best to do it programatically?
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Apr 13, 2010
I've read the Android documentation:
http://developer.android.com/guide/practices/screens_support.html
but still have some questions. I'm trying to design a music application which basically has images of the instrument (ImageButton) that play a sound when clicked. However, I'm confused about how to have the ImageButtons scale to fit all the different screen sizes and how to position them.
Which layout is best used for needing to position ImageButtons in specific locations on the screen? (i.e. cymbals on a drum set) FrameLayout, RelativeLayout? If I only really care about medium and large screens, do I need to create different resources (images) for both as well as a different XML layout to position them? I'm trying to find the simplest way to do this without having to create a separate layout XML file for positioning/size and separate image resources for each screen.
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Jan 23, 2009
Is it possible to build a GridView object in XML with 3 columns and 4 rows of Image buttons? It doesn't seem to have similar containment relationship like LinearLayout or RelativeLayout viewgroups.
I want to do this entirely in an xml layout file. When I put ImageButton xml tags inside a GridView xml body, The layout panel in eclipse is throwing an exception: UnsupportedOperationException:addView(View, LayoutParams) is not supported in AdapterView.
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Jan 8, 2010
I am a game developer and have developed a nice global high scores module. The source code is in two different games of mine and anytime I make changes I carefully copy and paste the java files from one project to the other. As I increase the sophistication of this module, the copying and pasting can take a day or two to make sure I get it right. Now I am finishing up my third game and want to add the high scores module, but copying and pasting this in three separate projects seems absurd and will take up much of my time! Is there any way to externalize this module?
Unfortunately, the module makes reference to R for strings, layouts and other resources. It also uses common Android functions and resources from the Android library. Almost anything would be easier than the method I am using now--so any and all suggestions are welcome!
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Jun 20, 2010
I have Activity A and Activity B. I want to access a method in Activity A from Activity B. This is my method:
Activity A extends activity{
public void save(){
} }
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Jul 2, 2010
I have an Android application composed by several Activities. Most of them need to check whether an active network is available or not:
public boolean isNetworkAvailable() {
ConnectivityManager cm = (ConnectivityManager)
getSystemService(Context.CONNECTIVITY_SERVICE);
TelephonyManager tm = (TelephonyManager)
getSystemService(Context.TELEPHONY_SERVICE);
...
}
I would like to move that code to a helper class in order to avoid the need to write that code in every Activity, but calls to getSystemService are only allowed from an Activity. The other alternative is to move that code to a parent activity use inheritance but:
Every activity already extends from android.app.Activity
Some of my activities already extend from a common my.package.BaseActivity
(Activity <- BaseActivity <- XXXActivity)
What do you recommend in this case? Is there any other alternative?
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May 7, 2010
I have a set of common code (including .java files and resources), which I have to use for two similar applications with different package names (for different vendors). How can I maintain two packages which share the common code without making two copies of the common source?
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Jan 30, 2010
I am Working on develop an application .In my application I want to Put application header as it look like "Android Market Application". I need help on following issues.
1)How to put all header same for all activities in the application.
2)How to put the common header like in android market application.
3)How to put a common footer for all activities in application.
If possible send source code for my understanding.
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Apr 15, 2010
I'm trying to use some common formatting for a number of different labels, all with different text. From http://android-developers.blogspot.com/2009/02/android-layout-tricks-, it seems as though I should be able to do something like the following:
<include android:text="@string/description" layout="@layout/label"/>
Where, in label.xml, I have:
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
<!-- more detailed formatting to come later --> />
For some reason, the text of the label is showing up empty when I do this. But I can successfully add an ID in this fashion, and then change the text of the label in my application code. For example:
<include android:id="@+id/description_label" layout="@layout/label"/>
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Oct 1, 2009
What are the most easy mistakes to make that can be performance sinks on Android?
The documentation mentions "some floating point operations" can be "on the order of milliseconds" - has someone tested this?
For the sake of discussion, let's assume its running on a G1/similar device.
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Aug 31, 2009
I have done some cusomtizations on general user interface behavior. I would put those features into my applications. Therefore, I package my source code as a jar and add this external library to my applications.
As my cusomtization include some inflation of xml files, I put those resource in my package. However, when I finished compiled my application and ran it, it reports error. It seems cannot locate the xml file in the jar. (My debugger stop while inflate the xml file). Do I miss any step to use my jar file?
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May 24, 2010
I have a TabHost with 4-5 tabs. I want to have a similar bottom for all the tabs. Is there any way we can add a bottom to all the tabs? Or do I need to place the xml code in every layout file.
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Apr 9, 2009
Is there a way to launch a viewer for common file types like TXT, DOC, XLS, PDF from within an app, like Gmail does. Maybe a Google Docs api to pass the file to GD and have it open in the browser?
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Sep 14, 2010
I'd like to bring out an Android app in the near future, so I was wondering how to support a couple of funcitonalities I have got used whilstdeveloping for J2ME and iPhone
first the versioning. With J2ME (using NetBeans as IDE) I had the option to auto-increment the softwwares version every time I compiled it. I was wondering if something like this is available for Eclipse and if so how to use it ? secondly a common code base. Is it possible to have a common code base for several projects ? For example I might have a game which actually uses the same code but needs different graphic resources. I'd hate to have a different project for every game/app and have to manually edit every project's source every time I want to submit a new code-change.
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Nov 6, 2010
I'm making out a few menus for my Android App and throughout there is a standard textview that is repeated 5 times, only changing the android:text tag each time, everything else is the same.There are a good number of properties on this and it feels very inefficient to be copy/pasting all these for each of the textviews.Is there a way I define the common properties just once and add them to each TextView element?
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Jul 29, 2009
I am not able to find out the perfect layout(viewgroup) to place four buttons as shown in the attached image. Basically, i want to place four buttons near the top/left/bottom/right edge of the screen. AbsoluteLayout helped, but it is deprecated (It is also better to avoid AbsoluteLayout as it is not very flexible for orientation changes)
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Dec 30, 2009
I downloaded the backgrounds app and i love it. found some backgrounds right off the back that i liked and saved them. well when i saved the pics it says that they were saved to the sd card in the backgrounds folder. well when i go to my albums there is no backgrounds folder in there. so i figured i could hook it up over usb and just cut and paste them in a folder that i knew would show up in albums. strike 2. so i was fooling with the app and i found that they have photo frames that you can add a pic to and save them. well i tried that and a backgrounds folder appeared under albums but the backgrounds i saved still dont show up. strike 3.
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Apr 14, 2010
I am currently moving from Xcode and iPhone development to Android with Eclipse. I want to have a shared code project so that I can store all the code to be shared across apps in one common library. However it would appear that the only android project available is for applications and not for code libs how can i achieve this?
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Jun 24, 2010
I always set my background to the live smoke background. and whenever i use my app killer it takes off the background and i always have to reset it? is there any way i can keep it there when i use the app killer?
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Aug 1, 2010
I have a listview with a bunch of items in it, each item has its own background, the problem is that if i only have one item in a list, the rest of the "empty" slots of the list is black. I tried applying a background around the listview and also on the view that sorrounds it (relativeView) and i get a strange margin around the whole list like the picture at the bottom. The question i have is, how can i remove the actual "borders" around the list so it still fills upp its parent ?
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Feb 26, 2009
I've just completed a week of work at my company, investigating android, and obviously spent time developing applications and playing with the API. However I know have to give a presentation about my findings (mostly good by the way), and I wanted some background pictures for my presentation that are android themed. Surely someone here has had to do something like this and either has some lying around, or knows of a website that has some CC or freely licensed background pictures.
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Sep 20, 2009
Didn't like it at first as I had the wrong resolution of BG. Now that I want it back, I can't find it :P
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May 25, 2010
The application I am developing is in large parts a background-only Service BUT requires some settings that the user must add. Is there a way to integrate applications with the common Settings application/view/activity?
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